Datasheet > ISL6556BCB-T

ISL6556BCB-T

更新时间： 2024-10-31 22:27:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		温度补偿多相元件控制器
页数	文件大小	规格书
24页	688K
描述
Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application

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ISL6556BCB-T 数据手册

ISL6556B

Data Sheet

December 28, 2004

FN9097.4

Optimized Multi-Phase PWM Controller

with 6-Bit DAC and Programmable Internal

Temperature Compensation for VR10.X

Application

Features

• Precision Multi-Phase Core Voltage Regulation

- Differential Remote Voltage Sensing

- ±0.5% System Accuracy Over Temperature and Life

- Adjustable Reference-Voltage Offset

The ISL6556B controls microprocessor core voltage

regulation by driving up to 4 synchronous-rectified buck

channels in parallel. Multi-phase buck converter architecture

uses interleaved timing to multiply channel ripple frequency

and reduce input and output ripple currents.

• Precision r

DS(ON)

- Integrated Programmable Temperature Compensation

- Accurate Load-Line Programming

Current Sensing

- Accurate Channel-Current Balancing

- Low-Cost, Lossless Current Sensing

The ISL6556B utilizes r

current sensing in each

DS(ON)

phase for adaptive voltage positioning (droop), channel-

current balancing, and overcurrent protection. To ensure the

accuracy of droop, a programmable internal temperature

compensation function is implemented to nullify the effect of

• Internal Shunt Regulator for 5V or 12V Biasing

• Microprocessor Voltage Identification Input

- Dynamic VID™ Technology

- 6-Bit VID Input

temperature sensitivity.

DS(ON)

- 0.8375V to 1.600V in 12.5mV Steps

A unity gain, differential amplifier is provided for remote voltage

sensing. Any potential difference between remote and local

grounds can be eliminated using the remote-sense amplifier.

The precision threshold-sensitive enable input is available to

accurately coordinate the startup of the ISL6556B with Intersil

MOSFET driver IC. Dynamic-VID™ technology allows

seamless on-the-fly VID changes. The offset pin allows accurate

voltage offset settings that are independent of VID setting. The

ISL6556B uses 5V bias and has a built-in shunt regulator to

allow 12V bias using only a small external limiting resistor.

• Threshold Enable Function for Precision Sequencing

• Overcurrent Protection

• Overvoltage Protection

- No Additional External Components Needed

- OVP Pin to drive optional Crowbar Device

• 2, 3, or 4 Phase Operation up to 1.5MHz per Phase

• QFN Package Option

- QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad

Flat No Leads - Product Outline

Ordering Information

- QFN Near Chip Scale Package Footprint; Improves

PCB Efficiency, Thinner in Profile

PART NUMBER TEMP. (°C)

PACKAGE

PKG. DWG. #

ISL6556BCB*

0 to 70 28 Ld SOIC

M28.3

• Pb-free Available (RoHS Compliant)

ISL6556BCBZ*

(Note)

0 to 70 28 Ld SOIC (Pb-free) M28.3

ISL6556BCBZA

-T (Note)

0 to 70 28 Ld SOIC Tape and M28.3

Reel (Pb-free)

ISL6556BCR*

0 to 70 32 Ld 5x5B QFN

L32.5x5B

ISL6556BCRZ*

(Note)

0 to 70 32 Ld 5x5B QFN

(Pb-free)

* Add “-T” suffix for tape and reel.

NOTE: Intersil Pb-free products employ special Pb-free material

sets; molding compounds/die attach materials and 100% matte tin

plate termination finish, which are RoHS compliant and compatible

with both SnPb and Pb-free soldering operations. Intersil Pb-free

products are MSL classified at Pb-free peak reflow temperatures that

meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...24

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与ISL6556BCB-T相关器件

型号	品牌	获取价格	描述	数据表
ISL6556BCBZ	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6556BCBZA-T	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6556BCBZ-T	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6556BCR	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6556BCR-T	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6556BCRZ	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6556BCRZ-T	INTERSIL	获取价格	Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature
ISL6557	INTERSIL	获取价格	Multi-Phase PWM Controller for Core-Voltage Regulation
ISL6557A	INTERSIL	获取价格	Multi-Phase PWM Controller for Core-Voltage Regulation
ISL6557ACB	INTERSIL	获取价格	Multi-Phase PWM Controller for Core-Voltage Regulation

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